22045605461 has 4 divisors (see below), whose sum is σ = 24049751424. Its totient is φ = 20041459500.

The previous prime is 22045605427. The next prime is 22045605493. The reversal of 22045605461 is 16450654022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22045605461 - 2⁶ = 22045605397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045605061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002072965 + ... + 1002072986.

It is an arithmetic number, because the mean of its divisors is an integer number (6012437856).

Almost surely, 2^22045605461 is an apocalyptic number.

It is an amenable number.

22045605461 is a deficient number, since it is larger than the sum of its proper divisors (2004145963).

22045605461 is a wasteful number, since it uses less digits than its factorization.

22045605461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004145962.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 22045605461 in words is "twenty-two billion, forty-five million, six hundred five thousand, four hundred sixty-one".